diff options
author | Karl Berry <karl@freefriends.org> | 2015-12-11 23:16:34 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2015-12-11 23:16:34 +0000 |
commit | 71945bfdf73e58a09c05155c6d49729528cac3f7 (patch) | |
tree | aa614024e79d15166a1aa500e223c748b1a66c83 /Master/texmf-dist/tex/luatex/luaotfload/fontloader-l-boolean.lua | |
parent | fa3dbdbd11bbc7da0c06e2871472419998e645c9 (diff) |
luaotfload (11dec15)
git-svn-id: svn://tug.org/texlive/trunk@39078 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/luatex/luaotfload/fontloader-l-boolean.lua')
-rw-r--r-- | Master/texmf-dist/tex/luatex/luaotfload/fontloader-l-boolean.lua | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-l-boolean.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-l-boolean.lua new file mode 100644 index 00000000000..8f18d4c003d --- /dev/null +++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-l-boolean.lua @@ -0,0 +1,69 @@ +if not modules then modules = { } end modules ['l-boolean'] = { + version = 1.001, + comment = "companion to luat-lib.mkiv", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +local type, tonumber = type, tonumber + +boolean = boolean or { } +local boolean = boolean + +function boolean.tonumber(b) + if b then return 1 else return 0 end -- test and return or return +end + +function toboolean(str,tolerant) -- global + if str == nil then + return false + elseif str == false then + return false + elseif str == true then + return true + elseif str == "true" then + return true + elseif str == "false" then + return false + elseif not tolerant then + return false + elseif str == 0 then + return false + elseif (tonumber(str) or 0) > 0 then + return true + else + return str == "yes" or str == "on" or str == "t" + end +end + +string.toboolean = toboolean + +function string.booleanstring(str) + if str == "0" then + return false + elseif str == "1" then + return true + elseif str == "" then + return false + elseif str == "false" then + return false + elseif str == "true" then + return true + elseif (tonumber(str) or 0) > 0 then + return true + else + return str == "yes" or str == "on" or str == "t" + end +end + +function string.is_boolean(str,default,strict) + if type(str) == "string" then + if str == "true" or str == "yes" or str == "on" or str == "t" or (not strict and str == "1") then + return true + elseif str == "false" or str == "no" or str == "off" or str == "f" or (not strict and str == "0") then + return false + end + end + return default +end |